Diggs (knee) was let go by Washington on Tuesday, the team's official site reports.
Diggs never found his footing in Washington, as the 23-year-old missed all of last season recovering from knee surgery. The Redskins added speedster Robert Davis from Georgia State in the NFL Draft this past weekend, leaving little room for Diggs in a crowded receiving corps.
Diggs (knee) was placed on the Redskins' injured reserve list Wednesday.
Diggs began training camp on Washington's PUP list after undergoing offseason knee surgery but wasn't able to sufficiently progress in his recovery.
Diggs (knee) was released by Washington on Tuesday.
Diggs failed to play in any preseason games as he nursed a lingering knee injury. With more depth at receiver than in past years, Washington decided to part ways with the undrafted rookie as they trim their roster down to 75.